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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "views/widget/aero_tooltip_manager.h" |
| 6 |
| 7 #include <windows.h> |
| 8 #include <commctrl.h> |
| 9 #include <shlobj.h> |
| 10 |
| 11 #include "base/bind.h" |
| 12 #include "base/message_loop.h" |
| 13 #include "ui/base/l10n/l10n_util_win.h" |
| 14 #include "ui/base/win/hwnd_util.h" |
| 15 #include "ui/gfx/point.h" |
| 16 |
| 17 namespace views { |
| 18 |
| 19 /////////////////////////////////////////////////////////////////////////////// |
| 20 // AeroTooltipManager, public: |
| 21 |
| 22 AeroTooltipManager::AeroTooltipManager(Widget* widget) |
| 23 : TooltipManagerWin(widget), |
| 24 initial_delay_(0) { |
| 25 } |
| 26 |
| 27 AeroTooltipManager::~AeroTooltipManager() { |
| 28 if (initial_timer_) |
| 29 initial_timer_->Disown(); |
| 30 } |
| 31 |
| 32 void AeroTooltipManager::OnMouse(UINT u_msg, WPARAM w_param, LPARAM l_param) { |
| 33 if (u_msg == WM_MOUSELEAVE) { |
| 34 last_mouse_pos_.SetPoint(-1, -1); |
| 35 UpdateTooltip(); |
| 36 return; |
| 37 } |
| 38 |
| 39 if (initial_timer_) |
| 40 initial_timer_->Disown(); |
| 41 |
| 42 if (u_msg == WM_MOUSEMOVE || u_msg == WM_NCMOUSEMOVE) { |
| 43 gfx::Point mouse_pos(l_param); |
| 44 if (u_msg == WM_NCMOUSEMOVE) { |
| 45 // NC message coordinates are in screen coordinates. |
| 46 POINT temp = mouse_pos.ToPOINT(); |
| 47 ::MapWindowPoints(HWND_DESKTOP, GetParent(), &temp, 1); |
| 48 mouse_pos.SetPoint(temp.x, temp.y); |
| 49 } |
| 50 if (last_mouse_pos_ != mouse_pos) { |
| 51 last_mouse_pos_ = mouse_pos; |
| 52 HideKeyboardTooltip(); |
| 53 UpdateTooltip(mouse_pos); |
| 54 } |
| 55 |
| 56 // Delay opening of the tooltip just in case the user moves their |
| 57 // mouse to another control. We defer this from Init because we get |
| 58 // zero if we query it too soon. |
| 59 if (!initial_delay_) { |
| 60 initial_delay_ = static_cast<int>( |
| 61 ::SendMessage(tooltip_hwnd_, TTM_GETDELAYTIME, TTDT_INITIAL, 0)); |
| 62 } |
| 63 initial_timer_ = new InitialTimer(this); |
| 64 initial_timer_->Start(initial_delay_); |
| 65 } else { |
| 66 // Hide the tooltip and cancel any timers. |
| 67 ::SendMessage(tooltip_hwnd_, TTM_POP, 0, 0); |
| 68 ::SendMessage(tooltip_hwnd_, TTM_TRACKACTIVATE, false, (LPARAM)&toolinfo_); |
| 69 return; |
| 70 } |
| 71 } |
| 72 |
| 73 /////////////////////////////////////////////////////////////////////////////// |
| 74 // AeroTooltipManager, private: |
| 75 |
| 76 void AeroTooltipManager::OnTimer() { |
| 77 initial_timer_ = NULL; |
| 78 |
| 79 POINT pt = last_mouse_pos_.ToPOINT(); |
| 80 ::ClientToScreen(GetParent(), &pt); |
| 81 |
| 82 // Set the position and visibility. |
| 83 if (!tooltip_showing_) { |
| 84 ::SendMessage(tooltip_hwnd_, TTM_POPUP, 0, 0); |
| 85 ::SendMessage(tooltip_hwnd_, TTM_TRACKPOSITION, 0, MAKELPARAM(pt.x, pt.y)); |
| 86 ::SendMessage(tooltip_hwnd_, TTM_TRACKACTIVATE, true, (LPARAM)&toolinfo_); |
| 87 } |
| 88 } |
| 89 |
| 90 /////////////////////////////////////////////////////////////////////////////// |
| 91 // AeroTooltipManager::InitialTimer |
| 92 |
| 93 AeroTooltipManager::InitialTimer::InitialTimer(AeroTooltipManager* manager) |
| 94 : manager_(manager) { |
| 95 } |
| 96 |
| 97 void AeroTooltipManager::InitialTimer::Start(int time) { |
| 98 MessageLoop::current()->PostDelayedTask( |
| 99 FROM_HERE, base::Bind(&InitialTimer::Execute, this), time); |
| 100 } |
| 101 |
| 102 void AeroTooltipManager::InitialTimer::Disown() { |
| 103 manager_ = NULL; |
| 104 } |
| 105 |
| 106 void AeroTooltipManager::InitialTimer::Execute() { |
| 107 if (manager_) |
| 108 manager_->OnTimer(); |
| 109 } |
| 110 |
| 111 } // namespace views |
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